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Primary Electric Supply, Inc.

TEXT US 410-485-5343

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Primary Electric Supply, Inc.

TEXT US 410-485-5343

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  • About
  • Products
  • New

OUR PRODUCT OFFERINGS

At Primary Electric Supply, Inc. , we make it easy for you to find all the electrical supplies you need in one convenient location. With our extensive selection of wiring, lighting, tools, and accessories from top brands, you can be sure that you're getting quality products at competitive prices. Whether you're a commercial, industrial or residential professional electrician, we have everything you need to get the job done right. Shop with us today and experience the Primary Electric Supply, Inc.  difference!

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Rough-In Products

Rough-In Products

Rough-In Products

Contractors spend a large amount of time installing electrical boxes, fixtures, mounts, panels, sub-panels, raceway, and wiring during their project's rough-in phase. By offereing time saving code compliant solutions, we are able to help them save on labor costs and enhance their completion times. Call on our Team to help you select a time saving code compliant rough-in solution to help your next project.

Distribution Gear

Rough-In Products

Rough-In Products

We offer Distribution Products and Equipment engineered to handle today's most demanding residential, commercial, and industrial applications.

  • Busway
  • Circuit Breakers
  • Motor Controls
  • Low and Medium Voltage Switchgear
  • Motor Control Centers
  • Panelboards & Switchboards
  • Switches
  • Transformers and much more.

Medium Voltage

Rough-In Products

Medium Voltage

We are the area's largest Stocking Distributor of 5/8kV, 15kV, 35kV Medium Voltage Cable and Accessories for underground & riser applications.


  • Medium Voltage Cables
  • Heat Shrink Splices & Terminations
  • Cold Applied Splices & Terminations
  • 600A Deadbreak Separable Elbows
  • 200A Loadbreak Elbows
  • Job Kitting Services

Wire & Cable

General Supplies for Contractors

Medium Voltage

We have a broad offering of cables including, but not limited to, the following:
AAC, AASCR, ACAR, ACSR, ACSR/T-2®, ALPETH, ASC, AWA, BX, CC_X, CCMC, CCTC, CDC, CHTC, CL2, CL2P, CM, CMG, CMP, CMR, CP, CPE, CSPE, CVMC, CVTC, DSTA, EHTC, EHV, EP, EPN, EPR, EPTC, FEP, FPL, FPLP, FR, FREP, FRF, FRXLPE, G, GC, GGC, HPFF, FPGF, GRSR, J, JX, K, KFF, KG-K, KX, LDPE, LPGF, LS, LT, MG, MGCG, MI, MICC, MP-GC, MTW, MV-105, NMD-90, NPLF, NPLFP, NPLFR, NS-1, NX, OFC, OFCG, OFCP, OFCR, OFNP, PFNR, PFF, PGF, PGFF, PILC, PPP, PVC, PVDF, PVGC, REW, RFH, RFHH, RH, RHH, RHW, RX, SCFF, SCPE, SE, SEW, SEU, SFF, SIA, SIS, SR, STP, TC, TEW, TF, TFE, TFF, TFN, TFFN, TGGT, TGS, THHN, THHW, THW, THWN, TKGK, TKGT, TMMG, TPE, TPR, TW, TK, UD, UF, URD, USE, UTP, VNMC, VNTC®, XFF, XWWH, XLP, XLPE, XLPO, XPT, ZHF, ZW

Tenant Fit-Out Products

General Supplies for Contractors

General Supplies for Contractors

  • Modular MC Systems
  • Digital Sub-Meter Packages
  • Receptacles & Switches
  • LED Lighting Retrofits
  • Small Project Gear Packages
  • Commercial Lighintg 


General Supplies for Contractors

General Supplies for Contractors

General Supplies for Contractors

  • Anchoring Systems
  • Fastening Products
  • Hand Tools
  • Mechanical Supports
  • Test & Measurement
  • Chemicals & Lubes
  • Reciprocal  & Cutting Blades
  • Hole Cutting & Drilling
  • Safety & Protection

some of our vendors

MANUFACTURES

ELECTRICAL

3M

Tapes
Wire Connectors
Terminals, Kits, and Tools
Lugs and Connectors
FAstening Products
Wire Marking and Identifying
Aerosols
Lubricants and Coatings
Fire Protection Products
Diagnostics and Detection Products
Safety and Protection Products
Terminations
Loadbreak Elbows
Modular Splicing
Splices
Motor Lead Connections
Cable Accessory Products
Heat Shrinkable Products

ALCAN WIRE (PRYSMIAN GROUP)

Aluminum Alloy Conductor
Stabiloy Aluminum Conductors

ALAN WIRE

Building Wire 

Bare Copper 

Tray Cable 

Utility Wire

ALLIED TUBE (ATKORE)

Aluminum Rigid Conduit
Aluminum EMT
Electrical Metallic Tubing
Intermediate Metal Conduit
Galv. Rigid Conduit
Kwik-Couple & Kwik Fit
Power Strut
Power-Angle Strut
PVC Schedule 40 Conduit
PVC Schedule 80 Conduit
PVC Fittings & Accessories
PVC Utility Duct TC-6
PVC Utility Duct TC-8

AMERICAN FLEXIBLE CONDUIT (AFC)

Access Floor Module Products
Steel Fittings / EMT
Steel Fittings / Liquid-Tight
Non-Mettallic Conduit
Non-Metallic Conduit Fittings
Snap-Lok Steel Connectors
AC Flexible Armored Cable
MC Flexible Armored Cable
Flexible Conduit
Seal-Tight Conduit
Jacketed Armored Cables

APPLETON (EGS)

Box Connectors
Cable Connectors
Conduit Hangers
Conduit Fittings
Entrance Fittings
Outlet Boxes
Switch Boxes
Pull/JIC Boxes
Sealtite Connectors
EMT Fittings
Cast Conduit Bodies
Cast Conduit Boxes
Cast FS/FD Boxes
Cast Junction Boxes
Pin & Sleeve Connectors
Pin & Sleeve Receptacles
Fixture Hangers
HID Lighting
Incandescent Lighting
Flourescent Lighting
Explosion Proof Lighting
Unions/Seals/Flexes Exp. Proof
Exp. Proof Boxes
Exp. Proof Condulets
Exp. Proof Junction Boxes
Exp. Poof Pilot/Control St

ARLINGTON INDUSTRIES

Liquid-Tight Fittings 

EMT Fittings
NM Cable Fittings 

Cord Grip Fittings 

Flex AC & MC Fittings 

Conduit Bodies 

Rigid & IMC Fittings 

Weatherproof Products 

Fan Boxes 

AUSTIN BOX COMPANY

NEMA 1 Enclosures
NEMA 3R Enclosures
NEMA 4X Enclosures 

NEMA 12 Enclosures 

Wireways & Trough Products 

BELDEN WIRE & CABLE

Computer Networking Cables
Computer Equipment Cables
Industrial Automation Cables
Industrial Control Cables
Broadcast Cables
Entertainment Cables
Electrical Equipement Cables
Test Apparatus Cables
Special Application Cables
Molded Cable Assemblies
Fiber Optic Cables

BRIDGEPORT (NSI)

Rigid and IMC Conduit Bodies
Rigid and IMC Conduit
EMT Fittings
EMT Conduit Bodies
Liquid Tight Fittings
Portable Cord Connectors
Flexible Metal Conduit Fittings
Armored Cable Fittings
Metal Clad Cable Fittings
Grounding Fittings
Clamps and Hangers

BRYANT (HUBBELL)

Lighting Controls
Personnel Safety Devices
Pin and Sleeve Devices
Industrial Spec Grade Devices
Commercial Grade Devices

Cord Reels
Residential Devices

CADDY (nVENT)

Acoustical Fasteners
Beam/Purlin Clamps
CADDY® PYRAMID Rooftop Supports
CADDY® SPEED LINK Support System
Conduit/Cable Supports
Drywall Hangers
Miscellaneous Components
Strut Channel
Strut Clamps, Fittings and Accessories

CADWELD (nVENT)

Exothermic Weld Molds
Shots
Single Shot Molds
Ground Plates
SRG GroundingAdd a description about this item

CANTEX

PVC Schedule 40 Conduit
PVC Schedule 80 Conduit
PVC Fittings & Accessories
PVC Utility Duct TC-6
PVC Utility Duct TC-8
PVC ENT Flexible ConduitAdd a description about this item

CONDUIT PIPE PRODUCTS

GRC Couplings
GRC Elbows
GRC Nipples
IMC Couplings
IMC Elbows
ARC Couplings
ARC Elbows
EMT Elbows
Running ThreadAdd a description about this item

COOPER POWER SYSTEMS (EATON)

Distribution Switchgear
Power Capacitors
Protective Relays
Transformer Products
Voltage Regulators
Components & Protective Equipment

COPE TRAY (ATKORE)

Steel Ladder Tray
Aluminum Ladder Tray
Center Hung Tray
Wire Basket Tray

CULLY (MINERALLAC)

Screws
Nuts
Washers
Bolts
Anchors
Hangers

EMON (HONEYWELL)

Electrical Submetering
Energy Monitoring
CE-MON Software

EPCO

Temporary Lighting
Tiger Lights
Landscape Lighting
Tube Guards
Utility Lighting
Fixture Whips
Ground Bonding Products
Splice Kits
Heat Shrink TubingAdd a description about this item

ERICSON

Power Transformation Units 

Power Distribution Units 

Cord & Cordsets 

Commercial Grade 

Hazardous Location 

Industrial Grade 

Specialty
Wiring Devices
GFCI Solutions
Weatherproof Receptacles & Covers 

Non-Metallic Boxes & Covers
IEC Pin & Sleeve
CAM-Type
Cable Reels
Wire Mesh Strain Relief
Pushbutton Pendant Stations
Power Drops 

FEDERAL TRANSFORMER

Dry Type Transformers
Non-Ventilated DTT
Padmounted Transformers
Unit Substation Transformers
Cast Coil Transformers
High Voltage Transformers
Encapsulated Transformers
Industrial Control
Buck Boost Transformers
Electrostatically Shielded DTT
Motor Drive Isolation DTT
K Factor DTT

GEORGIA PIPE (ATKORE)

PVC Schedule 40 Conduit
PVC Schedule 80 Conduit
PVC Fittings & Accessories
PVC Utility Duct TC-6
PVC Utility Duct TC-8
PVC ENT Flexible Conduit

GREAVES

Split Bolts
Terminals
Compression Lugs
Compression Sleeves
Mechanical Lugs
Panelboard Lugs
Insulation Piercing Clamps
Power Distribution Connectors
Underground Mechanical Splices
Grounding Connectors
Power Connectors
Substation Connectors

HARGER

     

Exothermic Weld Molds 

Shots
Single Shot Molds 

Ground Plates 

SRG Grounding
Stranded Bare Copper Conductor Copper-Clad Steel Ground Rods 

Ground Bars
Cable Tray, Conduit & Bonding Clamps Tinned Flat Braid Bonding Straps Lightning Protection Equipment
PVC ENT Flexible ConduitAdd a description about this item

IDEAL

Cable Cutters
Cable Ties
Conduit Benders
Buchanan B-Cap 

DataComm/Coaxial Products 

DataComm/Fiber Optic Products 

DataComm Test Equipment 

Duct Seal 

Fish Tape
Heat Guns
Heat Shrink Tubing 

Lockout/Tagout
Lugs
Markers
Pulling Lubricants
Yellow 77
PVC Heating Blankets
Pulling Rope
Cable Staples
Wire Strippers
Terminal Blocks
Test & Measurement Equipment 

Tool Pouches 

LEVITON

Structured Cabling Systems 

Home Connectivity Products 

Multimedia Solutions 

Lighting Controls 

Personnel Safety Devices
Pin and Sleeve Devices 

Industrial Spec Grade Devices 

Commercial Grade Devices 

Residential Devices 

Power Quality & Surge Solutions 

LITTLEFUSE

Semiconductor Fuses 

Medium Voltage Fuses 

International Fuses 

Special Purpose Fuses 

Fuse Blocks and Holders 

Power Distribution Blocks 

Disconnect Switches 

Wire Management 

LS CABLE

Instrumentation Cable 

Control Cable
Tray Cable 

5-35kV 1/C EPR MV-105 POWER 

5-35kV 1/C TRXLPE POWER CSA 

5-35KV 3/C AL POWER CABLE 

5-35KV AL INTERLOCKED ARMOR CABLE
600V CONTROL AND POWER MC 

Photovoltaic Cable
Utility Primary & Secondary UD Cables 

MGM TRANSFORMERS

Dry Type Transformers
General Purpose
Totally Enclosed Non-Ventilated 

K Factor Rated
Encapsulated
Harmonic Mitigating
Bucks Boost Transformers 

Control Power Transformers 

Medium Voltage Dry Type 

Medium Voltage Liquid Filled 

MILLBANK

Meter Mains
Electrical Enclosures 

Disconnects
Commercial Metering Pedestals 

Service Pedestals
Commercial Meter Sockets 

MINERALLAC

Fastening and Support Products 

MORRIS PRODUCTS

DYMO/3M Rhino Printers 

DYMO/3M Label Cartridges

MP HUSKY

Ladder Cable Tray
Trough Cable Tray
Wire Mesh 

Wire Basket Cable Tray 

Fiber Glass Cable Tray
Cable Bus System 

MULBERRY METALS

Wall Plates
Weatherproof Boxes & Covers 

Weatherproof Lighting 

Weatherproof Lamp Holders 

Outlet Box Covers
KO Seals
Reducing Washers 

NEHRING ELECTRICAL WORKS

     

Bare and Tinned Copper 

Copper Service Drop 

Airport Lighting Cable
Bare Aluminum & ACSR 

Aluminum Service Drop 

Aluminum Guy & Messenger 

Copper Clad Steel 

Ground Rods & Accessories 

Lightning Protection Cable 

NSi INDUSTRIES

Insulated Cable Connector Blocks

nVENT (PYROTENAX)

Mineral Insulated Cable Systems 

Polymeric Cable Systems 

Termination & Installation Materials 

MI Cable Accessories 

VitaLink Cables
RHW 2 Hour Fire Rated Cables 

CI 2 Hour Fire Rated Cables 

S-600 XLPE Cables
System 1850 MI Wiring Cable 

Zero EMI Systems
VFD 2 Hour Rated Cables 

OMNI CABLE

 Industrial Cables 

Commercial Cables 

Utility Cables 

Communication Cables 

ORBIT

Steel Boxes
NEMA Enclosures 

Weatherproof Products 

Electrical Fittings
Wireing Devices
Exit & Emergency Lighting 

Landscape Lighting
H.I.D. Lighting
LED Lighting
Ventilation Fans 

O.Z. GEDNEY (EGS)

Box Connectors 

Cable Connectors 

Conduit Hangers 

Conduit Fittings 

Entrance Fittings 

Outlet Boxes 

Switch Boxes 

Pull/JIC Boxes 

Sealtite Connectors 

EMT Fittings 

Cast Conduit Bodies 

Cast Conduit Boxes
Cast FS/FD Boxes
Cast Junction Boxes
Pin & Sleeve Connectors 

Pin & Sleeve Receptacles 

Fixture Hangers 

HID Lighting
Incandescent Lighting 

Fluorescent Lighting
Explosion Proof Lighting 

Unions/Seals/Flexes Exp. Proof 

Exp. Proof Boxes
Exp. Proof Condulets
Exp. Proof Junction Boxes
Exp. Proof Pilot/Control Station

POLYWATER

Cable Lubricants
Cable Removal Lubricants 

Contact Cleaner 

Cleaner/Degreaser 

PENN UNION

Split Bolt Connectors
Service Entrance Connectors 

Dist. Compression Connectors 

Aluminum Parallel Connectors 

Bronze Parallel Connectors 

Compression Terminal Lugs 

Compression Sleeves 

Aluminum Terminal Lugs 

Bronze Terminal Lugs
Bronze Ground Connectors 

Strain Suspension Clamps
Hot Line Clamps
Aluminum Stud Connectors 

Tee Connectors
Bus Supports Clamps
Braid Assemblies
Transformer Lug Kits 

PER-FIT

     

Non-Watertight and Watertight Metal 

Clad Cable Connectors 

POWERSTRUT

Steel Strut Channel
Aluminum Strut Channel 

Trapeze Support Systems
Strut Fasteners
Strut Fittings
Strut Clamps
Aickenstrut Fiberglass Framing A

ickenstrut Fiberglass Fittings 

PRYSMIAN GROUP

Tray Cable
VFD Power Cable
Instrumentation Cable
General Purpose Control Cable 

General Purpose Power Cable 

Railroad Cable
Interlocked Armor Cable
OEM Products—Irrigation Products 

Lifeline® RHW Two-Hour Fire Rated 

Lifeline® CI Fire Alarm Cable 

FAA-L-824 Type C Cable 

FAA Type C Power Cable 

FAA-L-824 Type B Cable
FAA-L-824 Type C Cable
Power DuctTM TC7 HDPE Duct 

Power DuctTM Schd 40 HDPE Duct 

Power DuctTM LSZH Duct
Type XHHW-2 XLPE Insulated Wire 

Type RHH / RHW-2 / USE-2 XLPE Crane Spreader Reeling

PRYSMIAN GROUP (CONTINUED)

VFD Power Cable (XLPE)
2.4K Type MV-90 Power Cable 

Cathodic Protection Power Cable 

DRAKAFLEX® Photovoltaic Wire 

2.4kV Nonshielded 3/C EPR MV-105 

5-35kV 1/C EPR MV-105 POWER 

5-46kV 1/C TRXLPE POWER CSA 

5-46kV TRXLPE URD
5-46kV EPR URD
5-46kV TRXLPE DOUBLE SEALTM 

5-46kV EPR DOUBLESEALTM
5-46kV TRXLPE SUPERDRITM 

400kV High Voltage Cables 

QUAZITE

Below Ground Enclosures: 

Assemblies
Boxes
Covers 

Hardware 

Equipment Pads 

Traffic Signal Bases 

RICHARDS MANUFACTURING

 Separable Connectors
200A Loadbreak Elbows
600A Deadbreak Elbows
900A Deadbreak Elbows 

Equipment Bushings
Molded Surge Arresters 

Compression Connectors 

Pre-molded Cable Accessories 

Separable Joints 

RYMCO

Rigid Conduit
EMT
IMC
All Threaded Rod 

Strut-Pre Gal Slotted 

SATCO

Incandescent Lamps 

Halogen Lamps
LED Lamps
Compact Fluorescent Lamps 

Fluorescent Lamps 

High Intensity Discharge Lamps 

Miniature/Sealed Beam Lamps 

SATCO/MUVO LIGHTING FIXTURES

 Indoor Lay-in High Bay
Wattage & Color - Selectable Troffers 

Utility Wraps & Strips
Security Lighting
Architectural LED Lighting
Area Flood Lights
Wall Packs
Adjustable Vapor Tight 

SERVICE WIRE CO.

Bare & Weatherproof Wire 

XHHW
XLP
THW 

Interlocked Armor Tray & Power Cable 

Aerial

Service Drop 

SERVICE WIRE CO.

Overhead Distribution Products Underground Distribution Products Distribution Automation Products Industrial Power Systems 

Commercial Power Systems 

Institutional Power Systems 

Transmission Fuse Equipment 

Distribution Fuses 

Distribution Fuse Equipment 

Pad-Mounted Switchgear
SF6 Gas Operated Switchgear Substations 

Transmission Equipment 

Power Quality Systems 

Epoxy Components 

SEPCO

Rigid Fittings
IMC Fittings
EMT Fittings
Liquidtight Fittings
MC Flex Fittings
NM Cable Fittings
Cord Grip Fittings 

Grounding Fittings
Clamp and Hanger Fittings 

Service Entrance Fittings 

SIEMENS CONTROLS

NEMA Rated Starters & Contactors
Electronic Power Control
IEC Control
Lighting and Heating Contactors
Special Purpose Control
DC Power Contactors
Pilot Devices
Logic Control
Sensing Devices
Machine Safety Components

SIEMENS ENERGY

ACCESS Monitoring Systems 

Medium Voltage Switchgear 

480V Switchgear
Power Switching Center 

Secondary Unit Substations 

Switchboard 

Commercial Metering Switchboards 

Panelboards
Busway
Transformers 

Medium Voltage Controllers 

Motor Control
Motor Control Centers 

Programable Controls 

Encased Systems Breakers 

Molded Case Circuit Breakers 

Enclosed Switches 

Load Centers 

Metering 

SOUTHWIRE

Building Wire
Metal Clad Cable
Medium Voltage Power Cable Industrial Flexible Instrumentation 

Power & Control Tray Cable Transit Cable
URD Cables
SIMpull Cable in Conduit 

Bending 

Cable Pulling & Fishing 

General Purpose Tools 

Test & Measurement  

String Lights
Temporary Overhead Lighting 

Halogen Work Lights 

Handheld Lights
Area Lights
Dock Lights
Greenfield
Sealtite
Commercial, Industrial, and - Residential Fittings
Steel boxes, Covers, and - Accessories 

TE ENERGY (RAYCHEM)

     

Flame Retardant Heat Shrink Tubing 

Heavy Wall Heat Shrink Tubing
Thin Wall Heat Shrink Tubing
Cold Applied 1000V Splices 

Roll-On 1000V Cold Splices 

Gel Wrap Splice Closures
GILS Gel-In-Line-Splice Kit 

GelCap Stub Splice Kits
GelCap Street Lighting Splices 

Network Protector Breakout Boots 

Cabinet Feedthrough Seals 

Wraparound Heat Shrink Taps 

Wraparound Heat Shrink Repairs 

Jacket Sealing Kits 

Heat Shrink Cable BreakOut Boots 

Live End Seals

Rayflate Duct Sealing System 

Airport Lighting Kits

TE ENERGY (RAYCHEM) Cont.

Medium Voltage Heat Shrink Splices 

Jacket Re-armoring Kits
PILC Heat Shrink Splices
PILC Trifurcating Transition Splices 

Medium Voltage Wye Splices 

CAS Cold Applied MV Splices
RUS Jacketed Cable Ground Kits 

Lead Sheath Repair Kits
MV Heat Shrink Terminations
HV Heat Shrink Terminations
Cold Applied MV Terminations

PILC Heat Shrink Terminations 

URD Heat Shrink Terminations
ZnO Type Heat Shrink Terminations 

Compression Lugs
Compression Sleeves

TF CABLE

Type “W”-1-6C-2kV
Type “G-GC”-2-15kV
Type “SHD-GC”-2-15kV
Jumper Cable - 5/15kV
Welding Cable - 600V
DLO Cable - 2kV
Tray Cable
Portable Cords
5-35kV 1/C EPR MV-105 POWER 

5-15kv MC-HL Power Cable 

UNDERGROUND DEVICES

     

Non-Metallic Duct Spacers
Bore Spacers
HV Non-Metallic Cable Racks 

Communications Cable Racks
Fixed Arm Multi-Mount Cable Racks 

Non-Metallic Saddle Racks 

WAGO

Pluggable Connectors 

Terminal Blocks
Inline Splice Connectors 

WEST PENN

     

Communication & Control Cable 

Fire Protective Signaling Cable 

Coaxial Cable
Data Grade Cable 

LAN Cable
Process Control Cable 

Fiber Optic Cable
Special Applications Cable 

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Primary Electric Supply, Inc.

6310 Frankford Avenue, Baltimore, MD 21206

410-488-7300

Copyright © 2025 Primary Electric Supply, Inc.  - All Rights Reserved.

Baltimore Ravens Small Business Partner